Autumn Application of Synthetic Auxin Herbicide for Weed Control in Cereals in Poland and Germany

Łukasz Sobiech (), Andrzej Joniec, Barbara Loryś, Janusz Rogulski, Monika Grzanka and Robert Idziak
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Łukasz Sobiech: Agronomy Department, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland
Andrzej Joniec: Ciech Sarzyna S.A., ul. Chemików 1, 37-310 Nowa Sarzyna, Poland
Barbara Loryś: Ciech Sarzyna S.A., ul. Chemików 1, 37-310 Nowa Sarzyna, Poland
Janusz Rogulski: Ciech Sarzyna S.A., ul. Chemików 1, 37-310 Nowa Sarzyna, Poland
Monika Grzanka: Agronomy Department, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland
Robert Idziak: Agronomy Department, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland

Agriculture, 2022, vol. 13, issue 1, 1-12

Abstract: The biological efficacy of herbicides MCPA+tribenuron-methyl (code name: MT-565 SG) and diflufenican+chlorotoluron (Legato Pro 425 SC) was estimated in eighteen field experiments on winter cereals in Poland and Germany to control broadleaf weeds. Postemergence application of tribenuron-methyl in combination with MCPA, applied at the 3-leaf stage to 3 tillers detectable in autumn in winter cereals, resulted in the majority of weed species occurring in autumn being effectively eliminated with MCPA+tribenuron-methyl applied at 1.0 kg∙ha –1 . It also provided an acceptable (82.4–94.1%) and comparable level of control to commonly occurring weeds Brassica napus , Capsella bursa-pastoris , Centaurea cyanus , Lamium purpureum , Tripleurospermum inodorum , Stellaria media , and Thlaspi arvense . A satisfactory level of control of 66.3 to 88.3% was confirmed for Veronica persica , Viola arvensis , and Galium aparine . According to these results, the formulation of tribenuron-methyl combined with MCPA can be recommended for application in winter cereals in the autumn as an alternative to commonly available herbicides.

Keywords: MCPA; tribenuron-methyl; winter cereals; weed control; autumn application (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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